Last updated: May 3, 2025
In Northwood, United States, understanding the UV Index is crucial for protecting your skin and maintaining your overall health. With daily UV levels fluctuating between low and high, awareness can help you prevent sunburn and reduce long-term skin damage. Given Northwood's Dfb climate, which often experiences varying sunlight exposure, residents need to be vigilant about the risks associated with high UV periods, particularly around midday when levels peak at an alarming 8. Being informed about the UV Index not only empowers you to enjoy the outdoors safely but also plays a vital role in promoting skin health for you and your loved ones.
As the sun rises, the UV Index begins at a modest 1 at 07:00, gradually climbing as the morning progresses. By 09:00, it increases to 3, signaling a gentle reminder to enjoy the outdoors with care. The intensity peaks at 12:00, reaching a striking 7, followed closely by a high of 8 between 13:00 and 14:00. This period marks the height of the solar exposure; it's advisable to wear sunscreen and seek shade if necessary. As the afternoon wanes, the index begins its descent, dropping to 4 by 17:00 and further declining to 1 by 19:00, making for a more comfortable end to the day. Keep this data in mind for planning your outdoor activities!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 3 | moderate | 30 min |
| 10:00 | 4 | moderate | 30 min |
| 11:00 | 6 | high | 25 min |
| 12:00 | 7 | high | 25 min |
| 13:00 | 8 | very high | 15 min |
| 14:00 | 8 | very high | 15 min |
| 15:00 | 7 | high | 25 min |
| 16:00 | 6 | high | 25 min |
| 17:00 | 4 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, seasonal UV changes reveal significant fluctuations in the UV Index, directly impacting sun exposure risks. The high-risk months typically span from April to August, where indices reach 7 or above, marking them as critical times for sun safety with a burn time of only 15 minutes in May, June, and July. Residents and visitors are strongly advised to take precautions during these months, such as wearing sunscreen with high SPF, donning protective clothing, and seeking shade, especially when the sun is at its peak intensity. As winter approaches, January and December show lower UV levels, thanks to reduced exposure times of 45 minutes, offering a safer environment for outdoor activities. Remaining aware of the changing UV index is essential for enjoying the outdoors while minimizing health risks.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Northwood | 2 | 4 | 5 | 7 | 8 | 10 | 9 | 8 | 7 | 4 | 3 | 2 |
| Chicago UVI | 3 | 4 | 6 | 8 | 9 | 10 | 10 | 9 | 8 | 6 | 4 | 2 |
| Brooklyn UVI | 3 | 5 | 6 | 8 | 10 | 10 | 9 | 9 | 8 | 6 | 4 | 2 |
| New York City UVI | 3 | 5 | 6 | 8 | 10 | 10 | 9 | 9 | 8 | 6 | 4 | 2 |
| Los Angeles UVI | 4 | 6 | 8 | 9 | 10 | 11 | 11 | 10 | 10 | 7 | 5 | 4 |
| Houston UVI | 5 | 8 | 9 | 11 | 11 | 12 | 12 | 11 | 10 | 9 | 7 | 5 |